1 /* $NetBSD: elf_open.c,v 1.2 2014/03/09 16:58:04 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2011 Joseph Koshy
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <libelf.h>
30
31 #include "_libelf.h"
32
33 __RCSID("$NetBSD: elf_open.c,v 1.2 2014/03/09 16:58:04 christos Exp $");
34 ELFTC_VCSID("Id");
35
36 /*
37 * Extension API: open a file for reading, ignoring parse errors.
38 */
39
40 Elf *
elf_open(int fd)41 elf_open(int fd)
42 {
43 if (LIBELF_PRIVATE(version) == EV_NONE) {
44 LIBELF_SET_ERROR(SEQUENCE, 0);
45 return (NULL);
46 }
47
48 return (_libelf_open_object(fd, ELF_C_READ, 0));
49 }
50
51 /*
52 * Extension API: create an ELF descriptor for an in-memory object,
53 * ignoring parse errors.
54 */
55
56 Elf *
elf_openmemory(char * image,size_t sz)57 elf_openmemory(char *image, size_t sz)
58 {
59 if (LIBELF_PRIVATE(version) == EV_NONE) {
60 LIBELF_SET_ERROR(SEQUENCE, 0);
61 return (NULL);
62 }
63
64 if (image == NULL || sz == 0) {
65 LIBELF_SET_ERROR(ARGUMENT, 0);
66 return (NULL);
67 }
68
69 return (_libelf_memory(image, sz, 0));
70 }
71